Saturday, 16 July 2011

QuantumGIS(QGIS) is user-friendly OpenSourceGeographicalInformation Systemssoftware. Itallowsusers to viewand prepare map datausing computer.QGIS supportsvectorformat,rasterand database. It also support manyspatialdataformats such asESRIshapefile,Geotiff.QGISis licensed under theGNU"General Public License."Thus it isfree.